Double-water-outlet water pump for dish washing machine

Abstract

A double-water-outlet water pump for a dish-washing machine comprises a motor, a front pump cover, a front pump shell, a front impeller, a rear pump shell, a rear pump cover, a rear impeller and a rotating shaft, the front pump shell comprises a front water inlet cavity, a front impeller cavity, a front water inlet connector pipe and a front water outlet pipe, a water guide hole is formed in a partition plate between the front water inlet cavity and the front impeller cavity, and the diameter of the water guide hole is larger than that of the rotating shaft; a rear water outlet pipe and a rear water inlet connector pipe are arranged on the rear pump shell; a rear pump shaft hole is formed in the rear pump cover; the front pump cover is fixed to the front end of the motor, the front impeller cavity and the front pump cover are buckled, fixed and sealed, and the front impeller is arranged in the front impeller cavity. The rear pump cover and the front water inlet cavity end are fixed and sealed, the rear impeller is arranged in the rear pump shell, the rear pump cover and the rear pump shell are buckled, fixed and sealed, the rotating shaft rotates and is sealed with the front cover shaft hole and the rear pump shaft hole, the front impeller and the rear impeller are fixed with the rotating shaft, and the rotating shaft is fixed with a shaft of the motor. And through the arrangement of one motor and two pumps, different ways are realized, the occupied space is small, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a device for a dish washing machine, especially a water pump. BACKGROUND

[0002] The prior art, Chinese patent 201910998174.4, a sink dish washing machine and a tableware fixing frame, belong to the technical field of dish washing machines. A sink dish washing machine comprises a dish washing machine body, a spray arm fixedly connected to the dish washing machine body, a cavity provided in the dish washing machine body, a first water pool and a second water pool respectively connected in the cavity, a first water pump and a second water pump respectively connected to the inner wall of the cavity, the water pumping ends of the first water pump and the second water pump respectively connected to the first water pool and the second water pool through connecting pipes, and the water outlet ends of the first water pump and the second water pump respectively connected to a first water outlet pipe and a second water outlet pipe. The first water outlet pipe and the second water outlet pipe are in communication with the spray arm. The problem is that two water pumps are needed, which occupies a large space and has a high cost. SUMMARY

[0003] The utility model aims at providing a double-outlet water pump for a dish washing machine, which has the characteristics of single-machine double-inlet and outlet water and small space occupation.

[0004] The utility model is implemented as follows: a double-outlet water pump for a dish washing machine, which is characterized by comprising a motor, a front pump cover, a front pump shell, a front impeller, a rear pump shell, a rear pump cover, a rear impeller, and a rotating shaft,

[0005] The front pump cover is provided with a front cover shaft hole,

[0006] The front pump shell comprises a front water inlet cavity, a front impeller cavity, a front water inlet interface pipe provided on the front water inlet cavity, and a front water outlet pipe on the front impeller cavity, a partition plate between the front water inlet cavity and the front impeller cavity is provided with a water guide hole, and the diameter of the water guide hole is greater than the diameter of the rotating shaft;

[0007] The rear pump shell is provided with a rear water outlet pipe and a rear water inlet interface pipe, and the rear pump cover is provided with a rear pump shaft hole;

[0008] The front pump cover is fixed to the front end of the motor, the front impeller cavity and the front pump cover are fixed and sealed by clamping, the front impeller is arranged in the front impeller cavity, the rear pump cover is fixed and sealed to the front water inlet cavity end, the rear impeller is arranged in the rear pump shell, the rear pump cover and the rear pump shell are fixed and sealed by clamping, the rotating shaft is rotatable and sealed with the front cover shaft hole and the rear pump shaft hole, the front impeller and the rear impeller are fixed to the rotating shaft, and the rotating shaft is fixed to the shaft of the motor.

[0009] The double-outlet water pump for a dish washing machine is characterized in that the rear water inlet interface pipe is arranged on the end plate of the rear pump shell.

[0010] The utility model relates to a double water outlet water pump for a dish washing machine, characterized in that the diameter of the front impeller is greater than the diameter of the rear impeller.

[0011] The utility model relates to a double water outlet water pump for a dish washing machine, characterized in that the front water inlet pipe is along the diameter line of the front water inlet cavity.

[0012] The utility model relates to a double water outlet water pump for a dish washing machine, characterized in that the front water inlet pipe and the rear water inlet pipe are located on the same side.

[0013] The utility model relates to a double water outlet water pump for a dish washing machine, characterized in that the front water inlet pipe and the front water outlet pipe are located on the same side of the front pump shell.

[0014] The utility model relates to a double water outlet water pump for a dish washing machine, characterized in that a front electromagnetic valve is arranged on the front water inlet pipe and / or the front water outlet pipe.

[0015] A rear electromagnetic valve is arranged on the rear water outlet pipe and / or the water outlet pipe.

[0016] The utility model discloses a double water outlet water pump for a dish washing machine, which comprises one motor and two pumps, realizes different functions, occupies small space and reduces cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a sectional view of the utility model.

[0018] Figure 2 is Figure 1 A-A view of

[0019] Figure 3 is a perspective view of the utility model.

[0020] Figure 4 is one of the perspective exploded views of the utility model.

[0021] Figure 5 is the second perspective exploded view of the utility model.

[0022] Figure 6 is a perspective view of the second embodiment of the utility model. DETAILED DESCRIPTION

[0023] The embodiments of the utility model will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as a limitation of the utility model.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] like Figure 1 , Figure 2 As shown, a dual-outlet water pump for a dishwasher includes a motor 1, a front pump cover 2, a front pump housing 3, a front impeller 4, a rear pump housing 5, a rear pump cover 6, a rear impeller 7, and a rotating shaft 8.

[0026] The front pump cover 2 is provided with a front cover shaft hole.

[0027] The front pump housing 3 includes a front water chamber 31 with one end open, a front impeller chamber 32 with one end open, a front water inlet pipe 33 provided on the front water chamber 31, and a front water outlet pipe 34 provided on the front impeller chamber 32. A water guide hole 35 is provided on the partition between the front water chamber 31 and the front impeller chamber 32. The diameter of the water guide hole 35 is larger than the diameter of the rotating shaft 8.

[0028] The rear pump housing 5 is provided with a rear outlet pipe 51 and a rear inlet interface pipe 52, and the rear pump cover 6 is provided with a rear pump shaft hole 61.

[0029] The front pump cover 2 is fixed to the front end of the motor 1. The front impeller cavity 32 and the front pump cover 2 are fastened and sealed. The front impeller 4 is located in the front impeller cavity 32. The rear pump cover 6 is fixed and sealed to the front water cavity 31. The rear impeller 7 is located in the rear pump housing 5. The rear pump cover 6 and the rear pump housing 5 are fastened and sealed. The rotating shaft 8 rotates and seals with the shaft hole of the front cover and the shaft hole of the rear pump 61. The front impeller 4 and the rear impeller 7 are fixed to the rotating shaft 8. The rotating shaft 8 is fixed to the shaft of the motor 1.

[0030] As a further improvement of this utility model: the rear water inlet pipe 52 is provided on the end plate of the rear pump housing 5.

[0031] As a further improvement of this utility model: the diameter of the front impeller 4 is larger than the diameter of the rear impeller 7.

[0032] As a further improvement of this utility model: the inlet water interface pipe 33 is along the diameter line of the inlet water cavity 31.

[0033] As a further improvement to this utility model: such as Figure 6 As shown, the inlet water inlet pipe 33 and the outlet water inlet pipe 52 are located on the same side.

[0034] As a further improvement of the utility model: the front water inlet pipe 33 and the front water outlet pipe 34 are located at the same side of the front pump shell 3.

[0035] As a further improvement of the utility model: the front water inlet pipe 33 and / or the front water outlet pipe 34 are provided with a front electromagnetic valve; the rear water outlet pipe 51 and / or the water outlet pipe are provided with a rear electromagnetic valve. By adopting such structure, the front pump water outlet or the rear pump water outlet can be controlled respectively, and the front pump and the rear pump can also simultaneously outlet water.

[0036] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A double outlet water pump for a dishwasher, characterized in that: The motor, the front pump cover, the front pump shell, the front impeller, the rear pump shell, the rear pump cover, the rear impeller and the rotating shaft are included, The front cover shaft hole is arranged on the front pump cover, The front pump shell includes a front water inlet cavity, a front impeller cavity, a front water inlet interface pipe arranged on the front water inlet cavity and a front water outlet pipe arranged on the front impeller cavity, a water guide hole is arranged on a partition plate between the front water inlet cavity and the front impeller cavity, and the diameter of the water guide hole is greater than the diameter of the rotating shaft; The rear water outlet pipe and the rear water inlet interface pipe are arranged on the rear pump shell, and the rear pump shaft hole is arranged on the rear pump cover; The front pump cover is fixed to the front end of the motor, the front impeller cavity is fixed and sealed with the front pump cover, and the front impeller is arranged in the front impeller cavity; the rear pump cover is fixed and sealed with the front water inlet cavity end, the rear impeller is arranged in the rear pump shell, the rear pump cover is fixed and sealed with the rear pump shell, the rotating shaft is rotatable and sealed with the front cover shaft hole and the rear pump shaft hole, the front impeller and the rear impeller are fixed with the rotating shaft, and the rotating shaft is fixed with the shaft of the motor.

2. The dual outlet water pump for a dishwasher according to claim 1, wherein: The rear water inlet interface pipe is arranged on the end plate of the rear pump shell.

3. The dual outlet water pump for a dishwasher according to claim 1, wherein: The diameter of the front impeller is greater than the diameter of the rear impeller.

4. The dual outlet water pump for a dishwasher according to claim 1, wherein: The front water inlet interface pipe is along the diameter line of the front water inlet cavity.

5. The dual outlet water pump for a dishwasher according to claim 1, wherein: The front water inlet interface pipe and the rear water inlet interface pipe are located on the same side.

6. The dual outlet water pump for a dishwasher according to claim 1, wherein: The front water inlet interface pipe and the front water outlet pipe are located on the same side of the front pump shell.

7. The dual outlet water pump for a dishwasher according to claim 1, 2, 3, 4, 5 or 6, characterized in that: The front electromagnetic valve is arranged on the front water inlet interface pipe and / or the front water outlet pipe. The rear electromagnetic valve is arranged on the rear water outlet pipe and / or the water outlet pipe.

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